Shell Eco-Marathon rewards brain energy over horsepower

April 12, 2015 9:19 PM

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Get PhotoGino Gisevan, six, of St. Clair Shores, left, Dominic Mazzocco, 2, center, of Clawson and Julian Gisevan, 3, of St. Clair Shores are excited as they watch automobiles zoom by in downtown Detroit in the course of the Shell Eco-Marathon Americas competition...

The racers' automobiles had been side by side, moving past the Joe Louis Memorial fist toward the Renaissance Center before a sharp left turn onto Woodward Avenue. This race, on the other hand, wasn't about speed, but about smarts.